//convert MyString to int noexcept
int myStringToInt(const MyString& str)
{
if (str.size() == 0)
return 0;
int res = 0;
if (str[0] == '-')
{
int sign(-1);
int mnog(1);
for (int i = str.size() - 1; i != 0; i--)
{
res =res + mnog*((int)str[i] - '0');
mnog *= 10;
}
res *= sign;
}
else
{
int mnog(1);
for (int i = str.size() - 1; i != -1; i--)
{
res = res + mnog*(str[i] - '0');
mnog *= 10;
}
}
return res;
}
Vector<MyString> split(const MyString& path)
{
Vector<MyString> ret;
int spos = 0;
while (spos < path.size())
{
int epos = path.find(_T('\\'), spos);
if (epos != -1)
{
int i = epos + 1;
while (i < path.size() && path[i] == _T('\\'))
++i;
MyString name(path.substr(spos, epos - spos));
ret.append(name);
spos = i;
}
else if (spos < path.size())
{
MyString name(path.substr(spos));
ret.append(name);
spos = path.size();
}
}
return ret;
}
static int getPath(const MyString& cmd, int pos, MyString* p)
{
int i = pos;
while (i < cmd.size() && _istspace(cmd[i]))
++i;
int j = i;
// 处理以双引号包括的路径
if (cmd[j] == _T('"'))
{
++j;
while (j < cmd.size() && cmd[j] != _T('"'))
++j;
if (j == cmd.size())
{
return -1;
}
else
{
*p = cmd.substr(i + 1, j - i - 1);
return j + 1;
}
}
else
{
while (j < cmd.size()
&& !_istspace(cmd[j])
&& cmd[j] != _T('/'))
++j;
*p = cmd.substr(i, j - i);
return j;
}
}
bool operator==(const MyString& lhs, const MyString& rhs)
{
if (lhs.size() != rhs.size())
return false;
for (size_t i = 0; i < lhs.size(); i++)
{
if (lhs[i] != rhs[i])
return false;
}
return true;
}
bool isLegalName(MyString name)
{
for (int i = 0; i < name.size(); ++i)
{
if (!isLegalChar(name[i]))
return false;
}
if (name.startWith(_T(" ")) || name.size() > g_MAX_NAME_SIZE)
return false;
return true;
}
static int getSwitch(const MyString& cmd, int pos, MyString* s)
{
int i = pos;
while (i < cmd.size() && !_istgraph(cmd[i]))
++i;
// 仅有首个字符为"\"
int j = i + 1;
while (j < cmd.size() && _istalpha(cmd[j]))
++j;
*s = cmd.substr(i, j - i);
return j;
}
// 取得命令名
static int getCmd(const MyString& cmd, int pos, MyString* name)
{
int i = pos;
while (i < cmd.size() && !_istgraph(cmd[i]))
++i;
int j = i;
while (j < cmd.size() && _istalpha(cmd[j]))
++j;
// 仅在识别出类似绝对路径时进行回溯
if ((i + 1) < cmd.size() && _istalpha(cmd[i]) && cmd[i + 1] == _T(':'))
return i;
*name = cmd.substr(i, j - i);
return j;
}
MyString dirname(MyString path)
{
assert(isPath(path));
int pos = path.size() - 1;
for (; pos >= 0 && path[pos] != _T('\\'); --pos)
{
}
return path.substr(0, pos);
}
MyString join(MyString path, MyString name)
{
if (path[path.size() - 1] != _T('\\') && !name.isEmpty() && !name.startWith(_T("\\")))
{
path += _T("\\");
}
path += name;
return path;
}
MyString dirname(MyString path)
{
if (!isPath(path))
{
return _T("");
}
int pos = path.size() - 1;
for (; pos >= 0 && path[pos] != _T('\\'); --pos)
{
}
return path.substr(0, pos);
}
MyString basename(MyString path)
{
assert(isPath(path));
int pos = path.size() - 1;
for (; pos >= 0 && path[pos] != _T('\\'); --pos)
{
}
if (pos < 0)
{
return _T("");
}
return path.substr(pos + 1);
}
// 不改变路径中的大小写情况
MyString VirtualDiskNode::pathNormalize(MyString path) const
{
MyString ret;
if (!isPath(path))
{
assert(0);
return ret;
}
if (isVolumnRelative(path))
{
ret = join(m_pwd.substr(0, 2), path);
}
else if (isRelative(path))
{
if (path == _T("."))
{
ret = m_pwd;
}
else if (path == _T(".."))
{
ret = dirname(m_pwd);
}
else if (path.startWith(_T("..\\")))
{
ret = dirname(m_pwd) + path.substr(2);
}
else if (path.startWith(_T(".\\")))
{
ret = m_pwd + path.substr(1);
}
// 直接输入名字的情况
else if (!match(path, _T("?:*")))
{
ret = m_pwd + _T("\\") + path;
}
}
// 绝对路径中处理：\dir\file的情况
//else if (path.startWith(_T("\\")))
//{
// ret = _T("c:") + path;
//}
if (path.endWith(_T("\\")))
{
ret = ret.substr(0, ret.size() - 1);
}
return ret;
}
// 在src中确定从位置pos开始，长度为len的范围内的首个与c匹配字符的位置
static int skipToEqual(const MyString& src, int pos, TCHAR c, int len = 0)
{
assert(len >= 0);
if (len == 0)
{
return src.find(c, pos);
}
for (int i = 0; i < len && (pos + i) < src.size(); ++i)
{
if (src[pos + i] == c)
{
return pos + i;
}
}
return -1;
}
int main() {
const MyString cs("Ein konstanter String"); MyString s(cs);
s.assign(cs);
s.append(cs);
cout << cs.c_str() << endl;
cout << cs.size() << endl;
cout << cs.capacity() << endl;
cout << boolalpha << cs.empty() << endl;
s = cs + cs;
cout << (cs == cs) << endl;
s = cs;
cout << cs << endl;
s.at(1) = 'X';
s[2] = 'Y'; // Hallo
cout << s << endl;
cin.get();
return 0;
}
int main()
{
cout << "Testing default constructor\n\n";
const MyString s1;
cout << "s1: " << s1 << endl; // Makes MyString
cout << "s1 size: " << s1.size() << endl; // Gets stringSize
cout << "s1 is " << ((s1.empty()) ? "empty\n" : "not empty\n"); // Displays weather string is empty or not
cout << endl; // Endl and goes onto next code chunk
cout << "Testing second constructor\n\n";
MyString s2 = "some text";
cout << "s2: " << s2 << endl;
cout << "s2 size: " << s2.size() << endl;
cout << "s2 is " << ((s2.empty()) ? "empty\n" : "not empty\n");
cout <<endl;
cout << "Testing size limit on second constructor\n\n";
MyString s3 = "This is a really long string and not all of it will actually end up in the array, but that is okay";
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 is " << ((s3.empty()) ? "empty\n" : "not empty\n");
cout << endl;
cout << "Testing write form of subscript operator\n\n";
s2[0] = 'S';
s2[5] = 'T';
cout << "s2: " << s2 << endl << endl;
cout << "Testing read form of subscript operator\n\n";
cout << "s2: ";
for (unsigned int i = 0; i < s2.size(); i++)
cout << s2[i];
cout << endl << endl;
cout << "Testing equality operators\n\n";
const MyString s4 = "Some Text";
cout << "s2 and s4 are " << ((s2 == s4) ? "equal\n" : "not equal\n");
cout << "s3 and s4 are " << ((s3 == s4) ? "equal\n" : "not equal\n\n");
cout << "s4 and \"Some Text\" are " << ((s4 == "Some Text") ? "equal\n" : "not equal\n");
cout << "s4 and \"More Text\" are " << ((s4 == "More Text") ? "equal\n" : "not equal\n\n");
cout << "\"Some Text\" and s4 are " << (("Some Text" == s4) ? "equal\n" : "not equal\n");
cout << "\"More Text\" and s4 are " << (("More Text" == s4) ? "equal\n" : "not equal\n\n");
cout << "Testing clear() method\n\n";
s3.clear();
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 is " << ((s3.empty()) ? "empty\n" : "not empty\n");
return 0;
}
int parse(const MyString& cmd, MyString* name, Vector<MyString>* pathes, Vector<MyString>* switches)
{
if (name == nullptr || pathes == nullptr || switches == nullptr)
{
return -1;
}
pathes->clear();
switches->clear();
int i = getCmd(cmd, 0, name);
if (i == cmd.size())
{
return 0;
}
if (*name == _T("mkdir"))
{
while (_istspace(cmd[i]))
++i;
int j = cmd.size() - 1;
while (_istspace(cmd[j]))
--j;
MyString path = cmd.substr(i, j - i + 1);
pathes->append(path);
return 0;
}
for (; i < cmd.size();)
{
if (_istspace(cmd[i]))
{
++i;
}
else if (cmd[i] != _T('/'))
{
MyString path;
i = getPath(cmd, i, &path);
if (!isPath(path) && !hasWildcard(path))
{
printf("文件名、目录名或卷标语法不正确\n");
*name = _T("");
pathes->clear();
switches->clear();
return -1;
}
pathes->append(path);
}
else if (cmd[i] == _T('/'))
{
MyString s;
i = getSwitch(cmd, i, &s);
switches->append(s);
}
else
{
assert(0);
return -1;
}
}
return 0;
}
bool match(const MyString& src, const MyString& pattern)
{
int i = 0;
int j = 0;
for (; i < src.size() && j < pattern.size(); ++i, ++j)
{
if (pattern[j] == '*')
{
if ((j + 1) == pattern.size())
{
return true;
}
else
{
++j;
int next_i = skipToEqual(src, i + 1, pattern[j]);
if (next_i == -1)
{
return false;
}
i = next_i;
}
}
else if (pattern[j] == '?')
{
if ((j + 1) == pattern.size())
{
if ((i + 1) == src.size())
{
return true;
}
else
{
return false;
}
}
else
{
++j;
int next_i = skipToEqual(src, i, pattern[j], 2);
if (next_i == -1)
{
return false;
}
i = next_i;
}
}
else if (pattern[j] != src[i])
{
return false;
}
}
if (i == src.size() && j == pattern.size())
{
return true;
}
// 说明src的长度短于pattern
else if ((j + 1) == pattern.size())
{
if (pattern[j] == '*' || pattern[j] == '?')
{
return true;
}
}
return false;
}
//拷贝构造
MyString::MyString(const MyString& str)
{
init(str.size(), str.data);
}
//
// FIXME: We have a lot of boilerplate code in this function and file.
//
int DockerAPI::version( std::string & version, CondorError & /* err */ ) {
ArgList versionArgs;
if ( ! add_docker_arg(versionArgs))
return -1;
versionArgs.AppendArg( "-v" );
MyString displayString;
versionArgs.GetArgsStringForLogging( & displayString );
dprintf( D_FULLDEBUG, "Attempting to run: '%s'.\n", displayString.c_str() );
#if 1
MyPopenTimer pgm;
if (pgm.start_program(versionArgs, true, NULL, false) < 0) {
// treat 'file not found' as not really error
int d_level = (pgm.error_code() == ENOENT) ? D_FULLDEBUG : (D_ALWAYS | D_FAILURE);
dprintf(d_level, "Failed to run '%s' errno=%d %s.\n", displayString.c_str(), pgm.error_code(), pgm.error_str() );
return -2;
}
int exitCode;
if ( ! pgm.wait_for_exit(default_timeout, &exitCode)) {
pgm.close_program(1);
dprintf( D_ALWAYS | D_FAILURE, "Failed to read results from '%s': '%s' (%d)\n", displayString.c_str(), pgm.error_str(), pgm.error_code() );
return -3;
}
if (pgm.output_size() <= 0) {
dprintf( D_ALWAYS | D_FAILURE, "'%s' returned nothing.\n", displayString.c_str() );
return -3;
}
MyStringSource * src = &pgm.output();
MyString line;
if (line.readLine(*src, false)) {
line.chomp();
bool jansens = strstr( line.c_str(), "Jansens" ) != NULL;
bool bad_size = ! src->isEof() || line.size() > 1024 || line.size() < (int)sizeof("Docker version ");
if (bad_size && ! jansens) {
// check second line of output for the word Jansens also.
MyString tmp; tmp.readLine(*src, false);
jansens = strstr( tmp.c_str(), "Jansens" ) != NULL;
}
if (jansens) {
dprintf( D_ALWAYS | D_FAILURE, "The DOCKER configuration setting appears to point to OpenBox's docker. If you want to use Docker.IO, please set DOCKER appropriately in your configuration.\n" );
return -5;
} else if (bad_size) {
dprintf( D_ALWAYS | D_FAILURE, "Read more than one line (or a very long line) from '%s', which we think means it's not Docker. The (first line of the) trailing text was '%s'.\n", displayString.c_str(), line.c_str() );
return -5;
}
}
if( exitCode != 0 ) {
dprintf( D_ALWAYS, "'%s' did not exit successfully (code %d); the first line of output was '%s'.\n", displayString.c_str(), exitCode, line.c_str() );
return -4;
}
version = line.c_str();
#else
FILE * dockerResults = my_popen( versionArgs, "r", 1 , 0, false);
if( dockerResults == NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "Failed to run '%s'.\n", displayString.c_str() );
return -2;
}
char buffer[1024];
if( NULL == fgets( buffer, 1024, dockerResults ) ) {
if( errno ) {
dprintf( D_ALWAYS | D_FAILURE, "Failed to read results from '%s': '%s' (%d)\n", displayString.c_str(), strerror( errno ), errno );
} else {
dprintf( D_ALWAYS | D_FAILURE, "'%s' returned nothing.\n", displayString.c_str() );
}
my_pclose( dockerResults );
return -3;
}
if( NULL != fgets( buffer, 1024, dockerResults ) ) {
if( strstr( buffer, "Jansens" ) != NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "The DOCKER configuration setting appears to point to OpenBox's docker. If you want to use Docker.IO, please set DOCKER appropriately in your configuration.\n" );
} else {
dprintf( D_ALWAYS | D_FAILURE, "Read more than one line (or a very long line) from '%s', which we think means it's not Docker. The (first line of the) trailing text was '%s'.\n", displayString.c_str(), buffer );
}
my_pclose( dockerResults );
return -5;
}
int exitCode = my_pclose( dockerResults );
if( exitCode != 0 ) {
dprintf( D_ALWAYS, "'%s' did not exit successfully (code %d); the first line of output was '%s'.\n", displayString.c_str(), exitCode, buffer );
return -4;
}
size_t end = strlen(buffer);
if (end > 0 && buffer[end-1] == '\n') { buffer[end-1] = '\0'; }
version = buffer;
#endif
sscanf(version.c_str(), "Docker version %d.%d", &DockerAPI::majorVersion, &DockerAPI::minorVersion);
return 0;
}
int main()
{
cout << "Testing default constructor\n\n";
const MyString s1;
cout << "s1: " << s1 << endl;
cout << "s1 size: " << s1.size() << endl;
cout << "s1 capacity: " << s1.capacity() << endl;
cout << "s1 is " << ((s1.empty()) ? "empty\n" : "not empty\n");
cout << endl;
cout << "Testing second constructor\n\n";
MyString s2 = "some text";
cout << "s2: " << s2 << endl;
cout << "s2 size: " << s2.size() << endl;
cout << "s2 capacity: " << s2.capacity() << endl;
cout << "s2 is " << ((s2.empty()) ? "empty\n" : "not empty\n");
cout << endl;
cout << "Testing second constructor with long string\n\n";
MyString s3 = "This is a really long string and this time all of it will actually end up in the array - pretty neat, huh?";
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
cout << endl;
cout << "Testing write form of subscript operator\n\n";
s2[0] = 'S';
s2[5] = 'T';
cout << "s2: " << s2 << endl << endl;
cout << "Testing read form of subscript operator\n\n";
cout << "s2: ";
for (unsigned int i = 0; i < s2.size(); i++)
cout << s2[i];
cout << endl << endl;
cout << "Testing equality operators\n\n";
const MyString s4 = "Some Text";
cout << "s2 and s4 are " << ((s2 == s4) ? "equal\n" : "not equal\n");
cout << "s3 and s4 are " << ((s3 == s4) ? "equal\n" : "not equal\n\n");
cout << "s4 and \"Some Text\" are " << ((s4 == "Some Text") ? "equal\n" : "not equal\n");
cout << "s4 and \"More Text\" are " << ((s4 == "More Text") ? "equal\n" : "not equal\n\n");
cout << "\"Some Text\" and s4 are " << (("Some Text" == s4) ? "equal\n" : "not equal\n");
cout << "\"More Text\" and s4 are " << (("More Text" == s4) ? "equal\n" : "not equal\n\n");
cout << "Testing clear() method\n\n";
s3.clear();
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
cout << "s3 is " << ((s3.empty()) ? "empty\n" : "not empty\n");
cout << "Testing copy constructor\n\n";
MyString s5(s4); // Problem
cout << "s5: " << s5 << endl;
cout << "s5 size: " << s5.size() << endl;
cout << "s5 capacity: " << s5.capacity() << endl;
cout << endl;
cout << "Testing assignment operator\n\n";
s3 = s5;
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
cout << endl;
s3 = "a different string";
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
cout << endl;
cout << "Testing self-assignment\n\n";
s3 = s3;
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
cout << endl;
cout << "Testing chained assignment\n\n";
s3 = s2 = "Hello, world";
cout << "s2: " << s2 << endl;
cout << "s2 size: " << s2.size() << endl;
cout << "s2 capacity: " << s2.capacity() << endl;
cout << endl;
cout << "s3: " << s3 << endl;
cout << "s3 size: " << s3.size() << endl;
cout << "s3 capacity: " << s3.capacity() << endl;
return 0;
}
